5820381 has 12 divisors (see below), whose sum is σ = 9608352. Its totient is φ = 3325896.

The previous prime is 5820377. The next prime is 5820383. The reversal of 5820381 is 1830285.

It is a happy number.

5820381 is a `hidden beast` number, since 582 + 0 + 3 + 81 = 666.

It is not a de Polignac number, because 5820381 - 2² = 5820377 is a prime.

It is a super-2 number, since 2×5820381² = 67753669970322, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5820383) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 46131 + ... + 46256.

It is an arithmetic number, because the mean of its divisors is an integer number (800696).

Almost surely, 2^5820381 is an apocalyptic number.

It is an amenable number.

5820381 is a deficient number, since it is larger than the sum of its proper divisors (3787971).

5820381 is a wasteful number, since it uses less digits than its factorization.

5820381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92400 (or 92397 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 27.

The square root of 5820381 is about 2412.5465798612. The cubic root of 5820381 is about 179.8803834911.

The spelling of 5820381 in words is "five million, eight hundred twenty thousand, three hundred eighty-one".